Do you want to discharge CAFS from a 2½” hose? This shut-off is ideal for use with compressed air foam system. Made of lightweight anodized aluminum. The discharge does not "flatten out" foam bubbles. Allows for increased flow rate of foam solution and compressed air. Includes aluminum smooth bore tip with smooth inside taper for solid steam 2½”" NST inlet and outlet threads. Ship wt. 5 lbs